84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/interprocess/detail/config_begin.hpp>
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//[doc_managed_construction_info
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#include <boost/interprocess/managed_shared_memory.hpp>
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#include <cassert>
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#include <cstring>
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//<-
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#include "../test/get_process_id_name.hpp"
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//->
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class my_class
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{
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//...
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};
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int main()
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{
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using namespace boost::interprocess;
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//Remove shared memory on construction and destruction
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struct shm_remove
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{
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//<-
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#if 1
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shm_remove() { shared_memory_object::remove(test::get_process_id_name()); }
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~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); }
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#else
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//->
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shm_remove() { shared_memory_object::remove("MySharedMemory"); }
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~shm_remove(){ shared_memory_object::remove("MySharedMemory"); }
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//<-
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#endif
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//->
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} remover;
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//<-
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(void)remover;
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//->
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//<-
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#if 1
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managed_shared_memory managed_shm(create_only, test::get_process_id_name(), 10000*sizeof(std::size_t));
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#else
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//->
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managed_shared_memory managed_shm(create_only, "MySharedMemory", 10000*sizeof(std::size_t));
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//<-
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#endif
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//->
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//Construct objects
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my_class *named_object = managed_shm.construct<my_class>("Object name")[1]();
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my_class *unique_object = managed_shm.construct<my_class>(unique_instance)[2]();
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my_class *anon_object = managed_shm.construct<my_class>(anonymous_instance)[3]();
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//Now test "get_instance_name" function.
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assert(0 == std::strcmp(managed_shared_memory::get_instance_name(named_object), "Object name"));
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assert(0 == std::strcmp(managed_shared_memory::get_instance_name(unique_object), typeid(my_class).name()));
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assert(0 == managed_shared_memory::get_instance_name(anon_object));
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//Now test "get_instance_type" function.
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assert(named_type == managed_shared_memory::get_instance_type(named_object));
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assert(unique_type == managed_shared_memory::get_instance_type(unique_object));
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assert(anonymous_type == managed_shared_memory::get_instance_type(anon_object));
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//Now test "get_instance_length" function.
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assert(1 == managed_shared_memory::get_instance_length(named_object));
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assert(2 == managed_shared_memory::get_instance_length(unique_object));
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assert(3 == managed_shared_memory::get_instance_length(anon_object));
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managed_shm.destroy_ptr(named_object);
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managed_shm.destroy_ptr(unique_object);
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managed_shm.destroy_ptr(anon_object);
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return 0;
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}
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//]
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#include <boost/interprocess/detail/config_end.hpp>
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